Honolulu Country Club, 9-11 a.m., free. Those interesting in building new homes or large additions can learn about design, resources, sustainability and more. Pre-registration required. (593-2808, grahambuilders.com)

Hilton Waikiki Beach Hotel, 9 a.m.-4 p.m., check website for cost. Little People of America Hawaii Chapter invites little people and their friends and families for a day of fun, games and education. (lpahawaii.org)

Mililani Public Library, 2-3 p.m., free. Professor Nader Haghighhipour reviews the detection of planets in binary stars, and discusses how life can originate and be sustained on those planets. (627-7470)

Windward Mall, 1-7 p.m., free. The first-ever Relay for Life to take place in a mall leads walks in a walk, crawl, hop or skip in support of cancer research. Paliku Academy of Performing Arts, Kailua United Methodist Church bell ringers and local halau perform. (relayforlife.org/windwardoahu)

Church of the Crossroads, 10 a.m.-3 p.m., free. More than 20 community organizations host informational tables and displays on the current administration’s agenda and how it affects you. Plus attend workshops on immigration, climate change, fascism/dissent and war/militarism, enjoy live music and more. (worldcantwaithonolulu@gmail.com)

Parade starts at 9:30 a.m. from Fort DeRussy and moves to Kapiolani Park for 10:45 a.m.-1:30 p.m. celebration of praise, free. Spend the day with God’s ohana as they give glory to the Lord and declare His praise in the islands. (456-7729)

Kawaiahao Church, 11 a.m.-2 p.m., free. Students in kindergarten to college are invited to a day of Christian-centered fun, games and fellowship, including giveaways, face painting, a resource fair and more. (487-4864, sandrayoungesq@yahoo.com)